docstr: Run the Siblings ResolverOp.
docstr_tok: ["Run","the","Siblings","ResolverOp","."]
code: def _siblings(
      self,
      root_artifact: types.Artifact,
      output_keys: Sequence[str] = (),
  ):
      """Run the Siblings ResolverOp."""
      return self._run_siblings(
          [root_artifact],
          output_keys=output_keys,
      )
  
file_path: tfx/tfx/dsl/input_resolution/ops/siblings_op_test.py
imports: from typing import Sequence
  import tensorflow
  from tfx import types
  from tfx.dsl.input_resolution.ops import ops
  from tfx.dsl.input_resolution.ops import test_utils
label_desc: Use image node_id 1 for calling the SiblingsOpTest obj's underlying member method code with example usage: obj._siblings(root_artifact, output_keys) and returns: self